models: Add connection parameter for HashField.db_type.

This is required by django-1.4.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

diff --git a/apps/patchwork/models.py b/apps/patchwork/models.py
index 67c69ffc3b30587a953a4e4d8f65692b0bd9f187..bbfe827aec551d41bdc75a8f0dde6315b74a09d5 100644 (file)
--- a/apps/patchwork/models.py
+++ b/apps/patchwork/models.py
@@ -180,7 +180,7 @@ class HashField(models.CharField):
         kwargs['max_length'] = self.n_bytes
         super(HashField, self).__init__(*args, **kwargs)
 
-    def db_type(self):
+    def db_type(self, connection=None):
         return 'char(%d)' % self.n_bytes
 
 class PatchMbox(MIMENonMultipart):